NEW YORK ( TheStreet) -- NASDAQ OMX Group (Nasdaq: NDAQ) is trading at unusually high volume Wednesday with 9.1 million shares changing hands. It is currently at 4.1 times its average daily volume and trading up $1.50 (+5.8%) at $27.34 as of 11:47 a.m. ET. NASDAQ OMX Group has a market cap of $5.3 billion and is part of the financial sector and financial services industry. Shares are up 8.9% year to date as of the close of trading on Tuesday. The NASDAQ OMX Group, Inc. provides trading, exchange technology, securities listing, and public company services worldwide. The company has a P/E ratio of 14, equal to the average financial services industry P/E ratio and below the S&P 500 P/E ratio of 23.4. TheStreet Ratings rates NASDAQ OMX Group as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth, compelling growth in net income, notable return on equity and attractive valuation levels. We feel these strengths outweigh the fact that the company has had generally poor debt management on most measures that we evaluated. You can view the full NASDAQ OMX Group Ratings Report.